deletions | additions       diff --git a/sectionDEFINING_PRIM.tex b/sectionDEFINING_PRIM.tex  index 9e5f8b1..4516c8b 100644  --- a/sectionDEFINING_PRIM.tex  +++ b/sectionDEFINING_PRIM.tex 
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\subsection{Low-beam-current}   This failure mode starts when the beam current drops below $I_{\hbox{tol}}$, but only if the machine   is not in the ``no-beam'' failures failure  mode (otherwise all ``no-beam'' failures would be ``low-beam-current'' failures as well). The ``low-beam-current'' failure stops when the beam current reaches the nominal beam current $I_{\hbox{nom}}$ again.  For facilities in top-up mode the current limit $I_{\hbox{tol}}$ should be slightly   below the current to start top-up injections. 
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\subsection{Primary Failure Modes in Practice}  Table~\ref{tab:pf-limits} shows the current limits for the primary  failure modes, partly depending on the operation modes of at  the seven facilities. The column $I_{\hbox{nom}}$ shows the maximum current in the given operation mode.  The current $I_{\hbox{inj}}$ is the typical value when injection would start in this operation mode,  below $I_{\hbox{tol}}$ it would be considered a ``low-beam-current'' failure.